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TVS JUPITER 2015 Manual page 38

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MAINTENANCE
CAUTION
Do not use vehicle by shorting the wires without fuse. This may
result in overheating of electrical items / wiring and may result in
fire.
Do not use fuse of higher amperage than specified for the safety of
electrical system.
SPARK PLUG
1. Remove the cover front as explained in page 36.
2. Clean the dust and mud around the spark plug
mounting to avoid falling inside the cylinder.
3. Using spark plug spanner of tool kit, remove the spark
plug.
A
B
38
A spark plug with heavy carbon deposits will not produce
strong sparks. Hence, only if necessary, clean the carbon
deposits from the spark plug with a small wire brush or
spark plug cleaning tool.
Inspect the spark plug electrodes (A) and (B) for any
corrosion. If found any replace the spark plug with a new.
Inspect the spark plug gap with a wire gauge / feeler gauge.
Readjust the spark plug gap to 0.9 ~ 1.0 mm if required.
After cleaning and adjusting the gap, reinstall the spark plug
and tighten by hand to avoid cross threading. Finally tighten
using spark plug spanner.
CAUTION
Always use only recommended make and type of spark plug.
Replace spark plug every 12000 km.
Cover the spark plug hole with cloth when the plug is removed, to
prevent dust / water entry.
It is advisable to tighten the new spark plug by hand till the end and
then loosen and again re-tight the spark plug by 1/8 of rotation
after sealing by using only the hand tool.
0.9 ~ 1.0 mm

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